Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756861AbXFSOZN (ORCPT ); Tue, 19 Jun 2007 10:25:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751089AbXFSOZB (ORCPT ); Tue, 19 Jun 2007 10:25:01 -0400 Received: from e4.ny.us.ibm.com ([32.97.182.144]:39832 "EHLO e4.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753039AbXFSOZA (ORCPT ); Tue, 19 Jun 2007 10:25:00 -0400 Date: Tue, 19 Jun 2007 20:03:31 +0530 From: Srivatsa Vaddagiri To: Ingo Molnar Cc: "Paul E. McKenney" , Thomas Gleixner , Dinakar Guniguntala , Dmitry Adamushko , suresh.b.siddha@intel.com, pwil3058@bigpond.net.au, clameter@sgi.com, linux-kernel@vger.kernel.org, akpm@linux-foundation.org Subject: Re: v2.6.21.4-rt11 Message-ID: <20070619143331.GH17865@linux.vnet.ibm.com> Reply-To: vatsa@linux.vnet.ibm.com References: <20070613185522.GA27335@elte.hu> <20070613233910.GJ8125@linux.vnet.ibm.com> <20070615144535.GA12078@elte.hu> <20070615151452.GC9301@linux.vnet.ibm.com> <20070615195545.GA28872@elte.hu> <20070616011605.GH9301@linux.vnet.ibm.com> <20070616084434.GG2559@linux.vnet.ibm.com> <20070616161213.GA2994@linux.vnet.ibm.com> <20070618151215.GA9750@linux.vnet.ibm.com> <20070619090430.GA7471@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070619090430.GA7471@elte.hu> User-Agent: Mutt/1.5.11 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 708 Lines: 19 On Tue, Jun 19, 2007 at 11:04:30AM +0200, Ingo Molnar wrote: > I'm wondering, why did this trigger under CFS and not on mainline? > Mainline seems to have a similar problem in idle_balance() too, or am i > misreading it? The problem is there in mainline very much. I could recreate the problem with 2.6.22-rc5 (which doesnt have CFS) on that same hardware, with CONFIG_NUMA enabled. Let me know if you needed anything else to be clarified. -- Regards, vatsa - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/